[FFmpeg-cvslog] mpegvideo_enc/rv10: width and hieghtmust be multiple of 16

[Piotr Bandurski]

ffmpeg | branch: master | Piotr Bandurski <ami_stuff at o2.pl> | Thu Dec 13 17:33:42 2012 +0100| [fef75ef200975863524bd79fa498b789521f5e33] | committer: Michael Niedermayer

mpegvideo_enc/rv10: width and hieghtmust be multiple of 16

RealPlayer does not play correctly rv10 files when sizes are not multiple of 16

"RealVideo Encoder 1.0 supports any size image that is a multiple of sixteen pixels."

Reviewed-by: Nicolas George <nicolas.george at normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fef75ef200975863524bd79fa498b789521f5e33
---

 libavcodec/mpegvideo_enc.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 3379090..92bd94a 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -554,6 +554,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
         return -1;
     }
 
+    if (s->codec_id == AV_CODEC_ID_RV10 &&
+        (avctx->width &15 ||
+         avctx->height&15 )) {
+        av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n");
+        return AVERROR(EINVAL);
+    }
+
     if ((s->codec_id == AV_CODEC_ID_WMV1 ||
          s->codec_id == AV_CODEC_ID_WMV2) &&
          avctx->width & 1) {